Reliability of Pain Thresholds and Exercise-Induced Hypoalgesia Following 45-Degree Roman Chair Exercise.
Kaitlyn M Lyons, Matt S Stock, William J Hanney and 1 others
PMID 40182904WHAT IT FOUND
A single set of Roman chair back extensions raised pain thresholds in the low back and trapezius of healthy adults.
The effect was reliable across two sessions. This does not prove the exercise reduces pain in patients with chronic low back pain.
Key findings
01The 45-degree Roman chair exercise produced significant exercise-induced hypoalgesia (increased pain thresholds) at the low back and upper trapezius compared to quiet rest.
02The hypoalgesic effect was reliable between two testing sessions, with good-to-excellent consistency for heat and pressure pain thresholds.
03Pressure pain threshold measurements were more temporally stable than heat pain threshold measurements before exercise.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
Participants were healthy and pain-free, so the findings cannot be generalized to patients with chronic musculoskeletal pain, who may have different pain processing mechanisms. The study used a single set of bodyweight repetitions to failure, which may not reflect the dosing used in typical clinical strength programs. The sample size was small (n=35) and the study was a reliability pilot rather than an efficacy trial. Timing between sessions was not strictly controlled beyond a minimum of 48 hours.
Declared interests
No specific funding source or conflicts of interest were declared in the provided text.
The easy way to misread this
Do not interpret this as evidence that Roman chair exercises reduce pain in patients with chronic low back pain. The study was conducted on healthy, pain-free individuals and measured immediate physiological responses, not clinical pain outcomes.